./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf50661cace84e24af5f399094bd98fed0ff7444 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:44:40,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:44:40,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:44:40,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:44:40,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:44:40,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:44:40,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:44:40,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:44:40,508 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:44:40,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:44:40,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:44:40,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:44:40,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:44:40,511 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:44:40,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:44:40,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:44:40,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:44:40,513 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:44:40,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:44:40,515 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:44:40,516 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:44:40,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:44:40,517 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:44:40,517 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:44:40,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:44:40,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:44:40,519 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:44:40,519 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:44:40,519 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:44:40,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:44:40,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:44:40,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:44:40,521 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:44:40,521 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:44:40,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:44:40,522 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:44:40,523 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:44:40,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:44:40,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:44:40,531 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:44:40,531 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:44:40,532 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:44:40,532 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:44:40,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:44:40,533 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:44:40,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:44:40,533 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:44:40,533 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:44:40,533 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:44:40,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:44:40,534 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:44:40,535 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:44:40,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:44:40,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:44:40,536 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:44:40,536 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-11-23 00:44:40,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:44:40,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:44:40,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:44:40,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:44:40,573 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:44:40,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-23 00:44:40,613 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/data/69c8dec3f/2836875b6c7e4f6fac9cc10f5e6fb80c/FLAGea57309ce [2018-11-23 00:44:40,958 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:44:40,959 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-23 00:44:40,968 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/data/69c8dec3f/2836875b6c7e4f6fac9cc10f5e6fb80c/FLAGea57309ce [2018-11-23 00:44:40,978 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/data/69c8dec3f/2836875b6c7e4f6fac9cc10f5e6fb80c [2018-11-23 00:44:40,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:44:40,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:44:40,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:44:40,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:44:40,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:44:40,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:40" (1/1) ... [2018-11-23 00:44:40,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2824ecd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:40, skipping insertion in model container [2018-11-23 00:44:40,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:44:40" (1/1) ... [2018-11-23 00:44:40,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:44:41,023 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:44:41,227 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:44:41,236 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:44:41,344 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:44:41,364 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:44:41,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41 WrapperNode [2018-11-23 00:44:41,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:44:41,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:44:41,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:44:41,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:44:41,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:44:41,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:44:41,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:44:41,391 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:44:41,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... [2018-11-23 00:44:41,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:44:41,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:44:41,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:44:41,420 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:44:41,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:44:41,457 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 00:44:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 00:44:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:44:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:44:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 00:44:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 00:44:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:44:41,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 00:44:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 00:44:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 00:44:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 00:44:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 00:44:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 00:44:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 00:44:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 00:44:41,459 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 00:44:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 00:44:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 00:44:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 00:44:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 00:44:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 00:44:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 00:44:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 00:44:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 00:44:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 00:44:41,460 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:44:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:44:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:44:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:44:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 00:44:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 00:44:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 00:44:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 00:44:41,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 00:44:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 00:44:41,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:44:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:44:41,462 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 00:44:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 00:44:41,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 00:44:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 00:44:41,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 00:44:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 00:44:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 00:44:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 00:44:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 00:44:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 00:44:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 00:44:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 00:44:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 00:44:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 00:44:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:44:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:44:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:44:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:44:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:44:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 00:44:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 00:44:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:44:41,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:44:41,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 00:44:41,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 00:44:41,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:44:41,904 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 00:44:41,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:41 BoogieIcfgContainer [2018-11-23 00:44:41,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:44:41,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:44:41,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:44:41,911 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:44:41,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:44:40" (1/3) ... [2018-11-23 00:44:41,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440e51dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:44:41, skipping insertion in model container [2018-11-23 00:44:41,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:44:41" (2/3) ... [2018-11-23 00:44:41,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440e51dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:44:41, skipping insertion in model container [2018-11-23 00:44:41,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:41" (3/3) ... [2018-11-23 00:44:41,915 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-23 00:44:41,924 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:44:41,931 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:44:41,945 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:44:41,970 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:44:41,970 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:44:41,970 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:44:41,970 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:44:41,970 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:44:41,970 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:44:41,971 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:44:41,971 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:44:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-23 00:44:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 00:44:41,994 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:41,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:41,997 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:42,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:42,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1498738476, now seen corresponding path program 1 times [2018-11-23 00:44:42,004 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:42,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:42,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:42,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:42,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:44:42,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:42,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:44:42,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:44:42,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:44:42,199 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-23 00:44:42,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:42,227 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2018-11-23 00:44:42,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:44:42,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 00:44:42,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:42,236 INFO L225 Difference]: With dead ends: 300 [2018-11-23 00:44:42,236 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 00:44:42,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:44:42,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 00:44:42,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 00:44:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 00:44:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2018-11-23 00:44:42,276 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2018-11-23 00:44:42,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:42,276 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2018-11-23 00:44:42,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:44:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2018-11-23 00:44:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 00:44:42,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:42,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:42,279 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:42,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:42,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1709760892, now seen corresponding path program 1 times [2018-11-23 00:44:42,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:42,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:42,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:42,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:42,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:44:42,358 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:42,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:44:42,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:44:42,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:44:42,360 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2018-11-23 00:44:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:42,382 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2018-11-23 00:44:42,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:44:42,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 00:44:42,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:42,384 INFO L225 Difference]: With dead ends: 249 [2018-11-23 00:44:42,384 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 00:44:42,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:44:42,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 00:44:42,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 00:44:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 00:44:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2018-11-23 00:44:42,398 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2018-11-23 00:44:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:42,398 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2018-11-23 00:44:42,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:44:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2018-11-23 00:44:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 00:44:42,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:42,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:42,400 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:42,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:42,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1598085398, now seen corresponding path program 1 times [2018-11-23 00:44:42,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:42,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:42,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:42,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:42,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:44:42,525 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:42,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:44:42,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:44:42,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:44:42,527 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2018-11-23 00:44:42,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:42,791 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2018-11-23 00:44:42,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:44:42,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 00:44:42,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:42,793 INFO L225 Difference]: With dead ends: 258 [2018-11-23 00:44:42,793 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 00:44:42,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:44:42,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 00:44:42,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 00:44:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 00:44:42,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-23 00:44:42,806 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-11-23 00:44:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:42,807 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-23 00:44:42,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:44:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-23 00:44:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 00:44:42,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:42,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:42,810 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:42,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:42,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1284631829, now seen corresponding path program 1 times [2018-11-23 00:44:42,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:42,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:42,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:42,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:42,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:44:42,903 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:42,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:44:42,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:44:42,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:44:42,904 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2018-11-23 00:44:43,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:43,271 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2018-11-23 00:44:43,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:44:43,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 00:44:43,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:43,273 INFO L225 Difference]: With dead ends: 367 [2018-11-23 00:44:43,274 INFO L226 Difference]: Without dead ends: 250 [2018-11-23 00:44:43,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:44:43,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-11-23 00:44:43,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2018-11-23 00:44:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-23 00:44:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2018-11-23 00:44:43,300 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2018-11-23 00:44:43,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:43,301 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2018-11-23 00:44:43,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:44:43,302 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2018-11-23 00:44:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 00:44:43,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:43,304 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:43,305 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:43,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:43,305 INFO L82 PathProgramCache]: Analyzing trace with hash -65271002, now seen corresponding path program 1 times [2018-11-23 00:44:43,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:43,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:43,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:43,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:43,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:43,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:43,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 00:44:43,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:43,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:44:43,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:44:43,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:44:43,408 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2018-11-23 00:44:43,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:43,439 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2018-11-23 00:44:43,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:44:43,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-23 00:44:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:43,443 INFO L225 Difference]: With dead ends: 447 [2018-11-23 00:44:43,443 INFO L226 Difference]: Without dead ends: 239 [2018-11-23 00:44:43,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:44:43,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-23 00:44:43,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 236. [2018-11-23 00:44:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-23 00:44:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 268 transitions. [2018-11-23 00:44:43,463 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 268 transitions. Word has length 83 [2018-11-23 00:44:43,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:43,464 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 268 transitions. [2018-11-23 00:44:43,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:44:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 268 transitions. [2018-11-23 00:44:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 00:44:43,464 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:43,464 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:43,465 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:43,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:43,465 INFO L82 PathProgramCache]: Analyzing trace with hash -766870876, now seen corresponding path program 1 times [2018-11-23 00:44:43,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:43,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:43,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:43,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:43,466 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:43,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:43,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:44:43,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:43,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:44:43,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:44:43,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:44:43,537 INFO L87 Difference]: Start difference. First operand 236 states and 268 transitions. Second operand 6 states. [2018-11-23 00:44:43,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:43,664 INFO L93 Difference]: Finished difference Result 645 states and 754 transitions. [2018-11-23 00:44:43,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:44:43,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 00:44:43,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:43,667 INFO L225 Difference]: With dead ends: 645 [2018-11-23 00:44:43,668 INFO L226 Difference]: Without dead ends: 433 [2018-11-23 00:44:43,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:44:43,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-23 00:44:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-11-23 00:44:43,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-23 00:44:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 486 transitions. [2018-11-23 00:44:43,701 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 486 transitions. Word has length 83 [2018-11-23 00:44:43,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:43,701 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 486 transitions. [2018-11-23 00:44:43,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:44:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 486 transitions. [2018-11-23 00:44:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 00:44:43,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:43,703 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:43,703 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:43,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:43,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1867403624, now seen corresponding path program 1 times [2018-11-23 00:44:43,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:43,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:43,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:43,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:43,706 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:43,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:43,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:44:43,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:43,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:44:43,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:44:43,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:44:43,784 INFO L87 Difference]: Start difference. First operand 427 states and 486 transitions. Second operand 7 states. [2018-11-23 00:44:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:44,217 INFO L93 Difference]: Finished difference Result 460 states and 536 transitions. [2018-11-23 00:44:44,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 00:44:44,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 00:44:44,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:44,219 INFO L225 Difference]: With dead ends: 460 [2018-11-23 00:44:44,219 INFO L226 Difference]: Without dead ends: 457 [2018-11-23 00:44:44,220 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:44:44,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-23 00:44:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2018-11-23 00:44:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-23 00:44:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2018-11-23 00:44:44,244 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 87 [2018-11-23 00:44:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:44,245 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2018-11-23 00:44:44,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:44:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2018-11-23 00:44:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 00:44:44,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:44,247 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:44,247 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:44,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash 157461945, now seen corresponding path program 1 times [2018-11-23 00:44:44,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:44,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:44,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:44,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:44,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:44:44,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:44,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:44:44,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:44,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:44:44,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:44:44,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:44:44,301 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand 6 states. [2018-11-23 00:44:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:44,335 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2018-11-23 00:44:44,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:44:44,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 00:44:44,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:44,339 INFO L225 Difference]: With dead ends: 844 [2018-11-23 00:44:44,339 INFO L226 Difference]: Without dead ends: 441 [2018-11-23 00:44:44,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:44:44,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-23 00:44:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2018-11-23 00:44:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-11-23 00:44:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2018-11-23 00:44:44,373 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2018-11-23 00:44:44,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:44,374 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2018-11-23 00:44:44,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:44:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2018-11-23 00:44:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 00:44:44,376 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:44,376 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:44,376 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:44,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:44,376 INFO L82 PathProgramCache]: Analyzing trace with hash 937564156, now seen corresponding path program 1 times [2018-11-23 00:44:44,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:44,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:44,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:44,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:44,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:44:44,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:44:44,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:44:44,473 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:44,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:44:44,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:44:44,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:44:44,473 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2018-11-23 00:44:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:44,755 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2018-11-23 00:44:44,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:44:44,755 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 00:44:44,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:44,760 INFO L225 Difference]: With dead ends: 1297 [2018-11-23 00:44:44,761 INFO L226 Difference]: Without dead ends: 884 [2018-11-23 00:44:44,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:44:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-23 00:44:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2018-11-23 00:44:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-23 00:44:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2018-11-23 00:44:44,804 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2018-11-23 00:44:44,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:44,805 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2018-11-23 00:44:44,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:44:44,805 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2018-11-23 00:44:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 00:44:44,808 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:44,808 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:44,808 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:44,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:44,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1484540002, now seen corresponding path program 1 times [2018-11-23 00:44:44,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:44,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:44,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:44,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:44,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:44:44,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:44:44,916 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:44:44,917 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-11-23 00:44:44,919 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [82], [83], [85], [94], [98], [102], [105], [110], [113], [118], [121], [136], [137], [140], [141], [142], [144], [149], [152], [153], [155], [160], [162], [163], [168], [170], [176], [180], [213], [214], [222], [226], [229], [231], [234], [244], [247], [251], [252], [255], [257], [260], [262], [265], [274], [275], [276], [277], [278], [279], [280], [281], [282], [290], [291], [294], [296], [297], [304], [305], [306], [307], [308], [309], [310], [314], [315], [316], [317], [318], [319], [322], [323], [324], [330], [331], [332], [334], [335], [336], [337], [342], [343], [344], [345], [346] [2018-11-23 00:44:44,952 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:44:44,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:44:45,425 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:44:45,426 INFO L272 AbstractInterpreter]: Visited 105 different actions 107 times. Never merged. Never widened. Performed 3366 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-23 00:44:45,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:45,446 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:44:45,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:44:45,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:44:45,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:45,466 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:44:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:45,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:44:45,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:44:45,719 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:44:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:44:46,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:44:46,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 00:44:46,478 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:46,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:44:46,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:44:46,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 00:44:46,479 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 8 states. [2018-11-23 00:44:46,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:46,771 INFO L93 Difference]: Finished difference Result 1684 states and 1979 transitions. [2018-11-23 00:44:46,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:44:46,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-11-23 00:44:46,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:46,776 INFO L225 Difference]: With dead ends: 1684 [2018-11-23 00:44:46,776 INFO L226 Difference]: Without dead ends: 839 [2018-11-23 00:44:46,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 00:44:46,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-23 00:44:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 839. [2018-11-23 00:44:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2018-11-23 00:44:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 966 transitions. [2018-11-23 00:44:46,819 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 966 transitions. Word has length 107 [2018-11-23 00:44:46,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:46,819 INFO L480 AbstractCegarLoop]: Abstraction has 839 states and 966 transitions. [2018-11-23 00:44:46,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:44:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 966 transitions. [2018-11-23 00:44:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 00:44:46,823 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:44:46,823 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:44:46,823 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:44:46,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:46,823 INFO L82 PathProgramCache]: Analyzing trace with hash 98941654, now seen corresponding path program 1 times [2018-11-23 00:44:46,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:44:46,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:46,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:46,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:44:46,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:44:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 00:44:47,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:44:47,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:44:47,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-23 00:44:47,060 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [62], [64], [70], [74], [77], [78], [82], [83], [84], [85], [94], [98], [102], [105], [108], [110], [113], [116], [118], [121], [136], [137], [138], [139], [140], [141], [142], [144], [149], [152], [153], [155], [160], [162], [163], [168], [170], [173], [176], [180], [186], [213], [214], [217], [221], [222], [226], [229], [231], [234], [241], [244], [247], [251], [252], [255], [257], [260], [262], [265], [271], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [284], [285], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [330], [331], [332], [334], [335], [336], [337], [340], [341], [342], [343], [344], [345], [346] [2018-11-23 00:44:47,067 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:44:47,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:44:49,067 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:44:49,068 INFO L272 AbstractInterpreter]: Visited 144 different actions 1305 times. Merged at 17 different actions 76 times. Never widened. Performed 41846 root evaluator evaluations with a maximum evaluation depth of 5. Performed 41846 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 21 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-23 00:44:49,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:44:49,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:44:49,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:44:49,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 00:44:49,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:44:49,095 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:44:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:44:49,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:44:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 00:44:49,312 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:44:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 00:44:49,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 00:44:49,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 00:44:49,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:44:49,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:44:49,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:44:49,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 00:44:49,796 INFO L87 Difference]: Start difference. First operand 839 states and 966 transitions. Second operand 8 states. [2018-11-23 00:44:50,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:44:50,014 INFO L93 Difference]: Finished difference Result 1403 states and 1640 transitions. [2018-11-23 00:44:50,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:44:50,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2018-11-23 00:44:50,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:44:50,017 INFO L225 Difference]: With dead ends: 1403 [2018-11-23 00:44:50,017 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:44:50,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 00:44:50,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:44:50,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:44:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:44:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:44:50,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-23 00:44:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:44:50,021 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:44:50,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:44:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:44:50,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:44:50,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:44:50,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:44:50,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:44:50,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:44:50,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:44:50,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:44:50,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:44:50,464 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 16 [2018-11-23 00:44:50,811 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-11-23 00:44:51,754 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-11-23 00:44:52,149 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 00:44:52,149 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 00:44:52,149 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 00:44:52,149 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 00:44:52,149 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 00:44:52,149 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,149 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-11-23 00:44:52,149 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,150 INFO L444 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,150 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-11-23 00:44:52,150 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-11-23 00:44:52,150 INFO L448 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-11-23 00:44:52,150 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,150 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,150 INFO L444 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,150 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-11-23 00:44:52,150 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 00:44:52,150 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-23 00:44:52,151 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-23 00:44:52,151 INFO L444 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-11-23 00:44:52,151 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 00:44:52,151 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 00:44:52,151 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-11-23 00:44:52,152 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-23 00:44:52,152 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse1))) [2018-11-23 00:44:52,152 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-11-23 00:44:52,152 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-11-23 00:44:52,152 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse1) .cse2) (or .cse2 .cse3 .cse1) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3))) [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-11-23 00:44:52,153 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L444 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L444 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0))) [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-23 00:44:52,153 INFO L448 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 00:44:52,154 INFO L444 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-11-23 00:44:52,154 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-23 00:44:52,155 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L451 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< |old(~methaneLevelCritical~0)| 1) (not (= 0 ~pumpRunning~0)) (<= 1 ~methaneLevelCritical~0) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-23 00:44:52,155 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse8 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 .cse9) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse8 .cse1 .cse9)))) [2018-11-23 00:44:52,155 INFO L444 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not .cse5)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (= 0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse2 .cse1 .cse3 .cse4 .cse7) (or .cse5 .cse6 .cse3 .cse7 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse6 .cse8 .cse3 .cse7) (or .cse0 .cse8 .cse3)))) [2018-11-23 00:44:52,155 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not .cse1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse7 .cse2 .cse8) (or .cse7 .cse6 .cse2 .cse8 .cse5) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse2)))) [2018-11-23 00:44:52,156 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse0 .cse1))) [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-23 00:44:52,156 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-11-23 00:44:52,156 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 00:44:52,157 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-23 00:44:52,157 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-23 00:44:52,157 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse0 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-23 00:44:52,157 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-23 00:44:52,158 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:44:52,158 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-23 00:44:52,158 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-23 00:44:52,158 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-11-23 00:44:52,158 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-23 00:44:52,158 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-11-23 00:44:52,158 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-11-23 00:44:52,158 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 00:44:52,158 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-23 00:44:52,158 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 00:44:52,159 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-23 00:44:52,159 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-11-23 00:44:52,159 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-11-23 00:44:52,159 INFO L451 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-11-23 00:44:52,159 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-23 00:44:52,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:44:52 BoogieIcfgContainer [2018-11-23 00:44:52,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:44:52,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:44:52,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:44:52,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:44:52,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:41" (3/4) ... [2018-11-23 00:44:52,174 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:44:52,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 00:44:52,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 00:44:52,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 00:44:52,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 00:44:52,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:44:52,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 00:44:52,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 00:44:52,195 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 00:44:52,195 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 00:44:52,196 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:44:52,196 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:44:52,196 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:44:52,197 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:44:52,197 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:44:52,215 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-23 00:44:52,216 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 00:44:52,249 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bd5a7e59-149c-4fb6-ab3f-65b61896c302/bin-2019/utaipan/witness.graphml [2018-11-23 00:44:52,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:44:52,250 INFO L168 Benchmark]: Toolchain (without parser) took 11269.74 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 531.6 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -234.0 MB). Peak memory consumption was 297.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:44:52,251 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:44:52,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:44:52,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:44:52,251 INFO L168 Benchmark]: Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:44:52,252 INFO L168 Benchmark]: RCFGBuilder took 484.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:44:52,252 INFO L168 Benchmark]: TraceAbstraction took 10265.08 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 405.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -135.6 MB). Peak memory consumption was 510.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:44:52,252 INFO L168 Benchmark]: Witness Printer took 79.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 216.0 kB). Peak memory consumption was 216.0 kB. Max. memory is 11.5 GB. [2018-11-23 00:44:52,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 484.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10265.08 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 405.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -135.6 MB). Peak memory consumption was 510.5 MB. Max. memory is 11.5 GB. * Witness Printer took 79.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 216.0 kB). Peak memory consumption was 216.0 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2199 SDtfs, 1072 SDslu, 5842 SDs, 0 SdLazy, 1691 SolverSat, 270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 578 SyntacticMatches, 15 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 76 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1755 PreInvPairs, 1843 NumberOfFragments, 1647 HoareAnnotationTreeSize, 1755 FomulaSimplifications, 1981 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6689 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1506 ConstructedInterpolants, 0 QuantifiedInterpolants, 276205 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 163/171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...